// http://monozcore.blogspot.com
var Amount=3; 
var Ypos=new Array();
var Xpos=new Array();
var Speed=new Array();
var Step=new Array();
var Cstep=new Array();
var ns=(document.layers)?1:0;
var ns6=(document.getElementById&&!document.all)?1:0;
var ie=document.all;
if (ns){
for (i = 0; i < Amount; i++){
var P=Math.floor(Math.random()*grphcs.length);
var rndPic=grphcs[P];
document.write("<LAYER NAME='sn"+i+"' LEFT=0 TOP=0><img src="+rndPic+"></LAYER>");
}
}
else{
document.write('<div style="position:absolute;top:0px;left:0px"><div style="position:relative">');
for (i = 0; i < Amount; i++){
var P=Math.floor(Math.random()*grphcs.length);
rndPic=grphcs[P];
document.write('<img id="si'+i+'" src="'+rndPic+'" style="position:absolute;top:0px;left:0px">');
}
document.write('</div></div>');
}
var WinHeight=(ns||ns6)?window.innerHeight-70:window.document.body.clientHeight;
var WinWidth=(ns||ns6)?window.innerWidth:window.document.body.clientWidth;
for (i=0; i < Amount; i++){                                                                
 Ypos[i] = Math.round(Math.random()*WinHeight);
 Xpos[i] = Math.round(Math.random()*WinWidth);
 Speed[i]= Math.random()*5+1;
 Cstep[i]=0;
 Step[i]=Math.random()*0.1+0.05;
}
function fly(){
var WinHeight=(ns||ns6)?window.innerHeight:window.document.body.clientHeight;
var WinWidth=(ns||ns6)?window.innerWidth-70:window.document.body.clientWidth;
var hscrll=(ns||ns6)?window.pageYOffset:document.body.scrollTop;
var wscrll=(ns||ns6)?window.pageXOffset:document.body.scrollLeft;
for (i=0; i < Amount; i++){
sy = Speed[i]*Math.sin(Cstep[i]);
sx = Speed[i]*2;
Ypos[i]+=sy;
Xpos[i]+=sx; 
if (Xpos[i] > WinWidth){
Ypos[i]=Math.round(Math.random()*WinHeight);
Xpos[i]=-60;
Speed[i]=Math.random()*5+1;
}
if (ns){
document.layers['sn'+i].left=Xpos[i]+wscrll;
document.layers['sn'+i].top=Ypos[i];
}
else if (ns6){
document.getElementById("si"+i).style.left=Xpos[i]+wscrll;
document.getElementById("si"+i).style.top=Math.min(WinHeight,Ypos[i]);
}
else{
eval("document.all.si"+i).style.left=Xpos[i]+wscrll;
eval("document.all.si"+i).style.top=Ypos[i];
} 
Cstep[i]+=Step[i];
}
setTimeout('fly()',20);
}
window.onload=fly();
